/*
**************************************************************************************
*Myriad Engine                                                                       *
*Copyright (C) 2006-2007, 5d Studios (www.5d-Studios.com)                            *
*                                                                                    *
*This library is free software; you can redistribute it and/or                       *
*modify it under the terms of the GNU Lesser General Public                          *
*License as published by the Free Software Foundation; either                        *
*version 2.1 of the License, or (at your option) any later version.                  *
*                                                                                    *
*This library is distributed in the hope that it will be useful,                     *
*but WITHOUT ANY WARRANTY; without even the implied warranty of                      *
*MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU                   *
*Lesser General Public License for more details.                                     *
*                                                                                    *
*You should have received a copy of the GNU Lesser General Public                    *
*License along with this library; if not, write to the Free Software                 *
*Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA      *
**************************************************************************************
*/
package leola.ast;

/**
 * Unary operator
 * 
 * @author Tony
 *
 */
public class UnaryExpr extends Expr {

	private Expr expr;
	private UnaryOp op;
	
	public enum UnaryOp {
		  NOT
		, NEGATE
		, BIT_NOT
	}
	
	/**
	 * @param expr
	 */
	public UnaryExpr(Expr expr, UnaryOp op) {
		this.expr = expr;
		this.op = op;
	}

	/**
	 * @return the op
	 */
	public UnaryOp getOp() {
		return op;
	}

	/**
	 * @return the expr
	 */
	public Expr getExpr() {
		return expr;
	}


	/* (non-Javadoc)
	 * @see leola.ast.ASTNode#visit(leola.ast.ASTNodeVisitor)
	 */
	@Override
	public void visit(ASTNodeVisitor v) throws Exception {
		v.visit(this);
	}
}
